Fluid dynamic actuator



FIG. 1 is a perspective view of the fluid dynamic actuator, showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a plan view thereof, taken from above; and,

FIG. 7 is a plan view thereof, taken from below, wherein the broken lines form no part of the claimed design. 

The ornamental design for the “fluid dynamic actuator,” as shown and described. 